SRP-94-XC
Contents
1. User manual METER SRP 94 XC Parameter Description Default value User s value ve ton Turn on delay of relay R4 0 0 24 toFF Turn off delay of relay R4 0 0 24 unit Unit of t on toFF parameters of relay R4 SEC 24 AL Reaction for critical situation of relay R4 oFF 24 Activation of acoustic signal menu bEEP AL Activation of acoustic signal by critical situation oFF 25 r1 Activation of acoustic signal by relay R1 oFF 25 r2 Activation of acoustic signal by relay R2 oFF 25 r3 Activation of acoustic signal by relay R3 oFF 25 r4 Activation of acoustic signal by relay R4 oFF 25 Configuration of measurement input inPt menu tYPE Input mode 60 25 CHAr Conversion characteristic mode Lin 25 FiLt Filtering ratio 0 25 Pnt Decimal point position 0 0 25 LoC Minimum displayed value for nominal range 000 0 26 Hi C Maximum displayed value for nominal range 100 0 26 Hir Extension of the top of the nominal input range 5 0 96 27 Active current output configuration OUtP menu Omod Current output mode 0 20 mA 27 OUIL GE Ln 0 MA or 4 mA depend Omod 0 0 28 OUtH Display value for 20 mA current output 100 0 28 Lor Extension of the bottom of the nominal output 5 0 28 range Hir Extension of the top of the nominal output range 5 0 28 AL Current output value on critical exception 22 1 MA 28 Display parameters bri Display brightness bri6 29 Configurati2. Leg mmm RR 0 707007 Hi C Loc 5 5 Lo Lo E S3 Q 0 ag gt a gt a a LoC Hi C i 25 0 25 50 75 100 25 0 25 50 75 100 Input voltage mV Input voltage mV Figure 9 1 Normal Lo C Hi C and inverted Lo C Hi C characteristic 9 1 2 Square characteristic The normalized result is squared and further conversion is done as for linear characteristic Conversion is made accordingly with the expression W U x Hi C Lo C Lo C where W means the displayed value Displayed value Displayed value LoC Hi C i l l l l 25 0 25 50 75 100 25 0 25 50 Input voltage mV l 75 100 Input voltage mV Figure 9 2 Normal Lo C lt Hi C and inverted Lo C gt Hi C characteristic 35 User manual METER SRP 94 XC 9 1 3 Square root characteristic The normalized result is rooted and further conversion is done as for linear characteristic Conversion is made accordingly with the expression W yU x Hi C Lo C Lo C where W means the displayed value Showed above expression is not valid when normalized result is negative In this aD case U lt 0 the displayed result is equal Lo C see graphs below Hi C LoC o ko Lo Lo NS DI ao ao a gt a gt a a LoC Hi C HF fi h 1 d 25 0 25 50 75 100 0 25 50 75 100 Input voltage
3. Y PL Displayed value 0 20 40 60 80 10 Input voltage mV Figure 9 4 Example of user defined characteristic 9 2 EXAMPLES OF CALCULATIONS Example 1 Selection of the permissible input range 100 mode If in 100 mode the user sets Hi r 10 0 then permissible input voltages range will be equal 0 mV 110 mV Upper border of the range is the result of calculations 100 mV 100 mV x 10 Example 2 The normalized U result calculation Let the input mode 0 100 mV The normalized Un result is calculated accordingly to the expression on page 34 so if Ui 37 5 mV then 37 5 mV 0 mV 37 5 mV and this result should be divided by the width of input range 100 mV Finally the normalized result Un 37 5 100 0 375 In case when input voltage exceeds nominal measurement range calculations are similar For example if input voltage is equal 9 38 mV then U 9 38 100 0 0938 and if input voltage is equal 103 13 mV then Un 103 13 100 1 0313 Example 3 The linear characteristic Let the input mode 0 100 mV and parameters Lo C and Hi C equal to 300 and 1200 respectively The calculations will be done for three different input voltages from example 2 37 User manual METER SRP 94 XC a Un 37 5 mV and Un 0 375 Accordingly to expression on page 35 for linear characteristic 0 375 x 1200 300 562 and next the Lo C
4. See previous page A A I Parameter S Si edition ma P E 2 HOLd mode gt Parameter 4 i 25 PEA II H timE ll i Gi Hdis I t I Hr I i bei Hr2 ll Hr II t bei Hr4 ll 1 lt HOUt ll Y m us LB SECu 3 gt Scod n A 7 Art i Ei An S gt pei Parameter i ME i Addr Lass edition AS rei bAud Il LJ Arnd D E mbac u t F mbtO l amp Parameter H 2 E eer SES le resp 0 4 digit special password entering ESC Y d m dEFS gt O SEt 88 Default settings E restoring E mc _V SErv 33 User manual METER SRP 94 XC 8 THE ALARM LED The ALARM LED AL is turned on when input signal is out of the permissible input range See parameters tyPE and Hi r in paragraph nPt menu 9 DISPLAYED VALUES CALCULATION The first step to compute the result of measure is the calculation of the normalized result it means result of 0 1 range To do it the begin of the input range 0 mV must be subtracted from measured value Next received result must be divided by the width of the input range it means 100 for 0 100mV range So normalized re
5. mode 5 modb mode B t on parameter in rEL1 menu expressed in tenth of seconds or Mein ZER 0999 tenth of minutes depend on unit parameter register no 35h toFF parameter in rEL1 menu expressed in tenth of seconds S N e PAR or tenth of minutes depend on unit parameter register no 35h 35h Yes 021 unit parameter in rEL1 menu 0 seconds 1 minutes 36h Yes 0 2 AL parameter in rEL1 menu 0 no changes 1 on 2 off 37h Yes 999 9999 SEt2 parameter in rEL1 menu no decimal point included 38h Yes 999 9999 SEtP parameter in rEL2 menu no decimal point included 39h Yes 999 999 HySt parameter in rEL2 menu no decimal point included modE parameter in rEL2 menu 3Ah Yes 0 5 0 noAC mode 1 on mode 2 oFF mode 3 in mode 4 out mode 5 modb mode n t on parameter in rEL2 menu expressed in tenth of seconds or SBN TES 05999 tenth of minutes depend on unit parameter register no 3Dh RW toFF parameter in rEL2 menu expressed in tenth of seconds sm ee PUR or tenth of minutes depend on unit parameter register no 3Dh 3Dh Yes 021 unit parameter in rEL2 menu i 0 seconds 1 minutes 3Eh Yes 0 2 AL parameter in rEL2 menu 0 no changes 1 on 2 off 3Fh Yes 999 9999 SEt2 parameter in rEL2 menu n
6. 900 X11 PH 100 Y11 PH 820 and Up 0 9 for these values the displayed value W 795 Example 7 Current output value calculation Let the current output parameters be modE on OUtL 100 OUtH 200 Lor 5 0 Hir 5 0 Parameters Lo r and Hi r define working range of current output to 3 8 21 mA Output current will be calculated for three displayed values D a D 17 5 According to formula from page 28 lout 17 5 10 0 20 0 10 0 x 16 mA 4 mA 0 75 16 4 16 mA 39 User manual METER SRP 94 XC Calculated lu do not exceeds the output working range 3 8 21 mA b D 20 5 According to formula from page 28 lout 20 5 10 0 20 0 10 0 x 16 mA 4 mA 1 05 16 4 20 08 mA Calculated lu do not exceeds the output working range 3 8 21 mA c D 30 0 According to formula from page 28 lout 30 0 10 0 20 0 10 0 x 16 mA 4 MA 2 16 4 36 mA Calculated lou exceeds the output working range 3 21 mA so current output will generate current equal to the upper border of range defined by parameter Lo r i Hi r it means 21 mA 10 THE MODBUS PROTOCOL HANDLING Transmission parameters 1 start bit 8 data bits 1 or 2 stop bit 2 bits are send 1 and 2 bits are accepted when receive no parity control Baud rate selectable from 1200 to 115200 bits second Transmission protocol MODBUS RTU compatible The device parameters a
7. User manual METER SRP 94 XC 51 fj simex SIMEX Sp z 0 0 ul Wielopole 7 80 556 Gda sk Poland tel 48 58 762 07 77 fax 48 58 762 07 70 http www simex pl e mail info simex pl
8. mV 25 Input voltage mV Figure 9 3 Normal Lo C Hi C and inverted Lo C gt Hi C characteristic 9 1 4 User defined characteristic User defined characteristic is defined as set of X Y points Number of the points is variable and may be set from 2 to 20 points which make linear segments see graph and see Menu inPt Due to the normalized result Un the device computes specific segment e g for characteristic from figure below and Un 0 65 the segment between points X 50 0 and X 70 0 will be chosen Let s mark those points as PL point low i PH point high in this example PL 50 0 and PH 70 0 and the normalized result U for the point PL as Up in this example Up Un PL 7 0 5 The displayed result is calculated accordingly to the expression Y PH Y PL X PH X PL W U U x x 100 Y PL where Y PH X PH Y PL X PL mean values of X and Y coordinates of PH i PL points If the normalized result exceeds the user defined characteristic values then specific aD utmost segment defined by two next points is used for calculations If characteristic from figure below is used and if Un gt 1 then segment defined by points X PL 90 0 X PH 100 0 will be used 36 User manual METER SRP 94 XC Normalized measurement Un for 0 100 mV range 0 0 2 0 35 0 5 0 7 0 9 1 5 elements characteristic i X PH 70 0 Y PH
9. SRP 94 XC 7 4 MENU STRUCTURE Measurement mode E Press and hold at least 2 seconds Y E LB 0 4 digit user password entering if it is different from 0000 e Elm a za lt rEL1 c i gt ser LE CI ag i 25 edition sh _Y SEt2 S C WAM Options similar 1 4 rEL2 L to rEL1 menu t i Gy bei HYSt Il rau B options simi i MENU rEL3 CO gt ptions similar PE dE I a to rEL1 menu Ka mo S i EB Y kend F ton I rea Options similar i i esc to rEL1 menu toFF I 7 SB bd EB unit u Parameter DEER CG i gt AL Ge edition 7 r ZG lt AL II lt r1 Il z i r2 II t r3 II t r4 ll ca Y m LS inPt Z E gt QtYPE er did n 1 25 I CHAr Y 2 2 ei FiLt II NEN OutP CG Omod Ct ES i i BE il Pnt II BE EE kl ou n 1 bi Loc I out u ki Hic i fl Lor II t i Le AddP Il i Hir i t E bri o e i LJ dELP i ZE LI aL le p EdtP u option 1 REENEN Hir u Y See next page 32 User manual METER SRP 94 XC
10. or measure mode Cancel the changes made in parameter being edited Symbol used in the manual ENTER Functions Start to edit the parameter Enter to the sub menu Confirmation of changes made in parameter being edited Symbol used in the manual v Functions Change of the present menu Modification of the parameter value Change of the display mode 6 PRINCIPLE OF OPERATION After turning the power supply on device ID and software version are showed on the display next the controller goes to the measurement mode 6 1 MEASUREMENT MODE In the measure mode the measurement results converted over selected characteristic are displayed on the LED display The measurement range equal to the nominal range is called nominal measurement range and the measurement range equal to the extended nominal range is called permissible measurement range Figure 6 1 14 User manual METER SRP 94 XC Hi r parameter nominal measurement range pid M 4 1n o 0 mV 150 mV permissible measurement range Figure 6 1 Definitions of measurement ranges in mode 0 150mV If the result of measurement exceeds the permissible measurement range warning Hi or Lo is displayed rather than input signal depends on exceeded value see description of Hi r parameter paragraph inPt menu If the measurement value do not exceeds permissible measurement range but displayed value exceeds ran
11. pM rie e measurement result is displayed eed display regardless on nominal range exceeding display message Lo message Hi Figure 7 1 Example of definition of permissible range of input signal Hi r parameter 60 mode Parameter Hi r determines the upper border of the permissible range accordingly to the expression for all modes For example if input is set to 60 mode then upper border is calculated due to expression Umax 60 mA 60 mA x Hi r 96 The value of Hi r can be set from 0 to 19 996 In example no 1 of the DISPLAY VALUES CALCULATION paragraph the procedure of the permissible input range determining is presented in details If the measurement value do not exceeds permissible measurement range but displayed value exceeds range 999 9999 the warning Ov is displayed rather than the calculated result 7 3 4 OutP menu This menu contains parameters of current output control Menu is available if the device is equipped witch current output Current output can be controlled depend on both present measured value and peak value if peak detection is enabled Omod current output mode can be set to values oFF current output disabled 0 20 current output enabled with 0 20 mA mode 27 User manual METER SRP 94 XC 4 20 current output enabled with 4 20 MA mode modb current output controlled via RS 485 interface OUtL this parameter d
12. the border values see points A and C Figure 6 5 a b c If values of t on or and toFF are positive then relay state will be turned on if the input value exceeds the border values and stay bigger or lower during at least t on see points Bon Don Figure 6 5 a d e Similarly the relay will be turned off if time toFF elapse since the input signal value exceeds any of the border values see points Borr Dorr Figure 6 5 a d e 18 User manual METER SRP 94 XC If ta ts Je or to when input signal stay in zone A or zone B are lower than parameters t on or toFF the relay will not change his state see points A and C Figure 6 5 a d e The state of relay output while the input value exceeds the border values points A B C D is described by parameter modE The relay can be turned on modE on or turned off modE oFF when input signal value is contained in zone A Figure 6 5 a The parameter AL allow user to set the relay output behaviour in critical situations e g Input values exceeds permissible measurement range User can select that the relays will be turned on turned off or not changed in critical situations All parameters connected with relay outputs are described in paragraph rEL1 menu 6 3 2 Two thresholds mode displayed value t t A t D measure gt r r lt d signal E i i zone B re i SEtP or SEt
13. unit has no user serviceable parts Defective units must be disconnected and submitted for repairs at an authorized service centre AY In order to minimize fire or electric shock hazard the unit must be protected against atmospheric precipitation and excessive humidity User manual METER SRP 94 XC A Do not use the unit in areas threatened with excessive shocks vibrations dust humidity corrosive gasses and oils Do not use the unit in areas where there is risk of explosions Do not use the unit in areas with significant temperature variations exposure to condensation or ice Do not use the unit in areas exposed to direct sunlight Make sure that the ambient temperature e g inside the control box does not exceed the recommended values In such cases forced cooling of the unit must be considered e g by using a ventilator The unit is designed for operation in an industrial environment and must not be used in a household environment or similar 2 GENERAL CHARACTERISTICS The SRP 94 XC meter is equipped with one voltage input 0 60 0 75 0 100 0 150mV The selection of active input is realised by software and selected input can be changed at any time Additionally the SRP 94 XC allows user to select a conversion characteristic of several kinds linear square square root and user defined max 20 points length Result is showed on 4 digit LED display Displayed values range can be selected by u
14. waits for X and Y coordinates of new point Modification of the coordinates is done accordingly to numerical parameters edition Coordinate X defines the percentage ratio of input current to selected current range The X range 99 9 199 9 Coordinate Y defines displayed value for particular X value The Y value can be changed in range 999 9999 decimal point position depend on Pnt parameter menu inPt e User can not enter two points with the same value of X coordinate If user trays to do it Err warning is displayed To modify any defined point use EdtP option To distinguish X and Y coordinates if X coordinate is displayed an additional decimal point on utmost right position is displayed e f user defined characteristic is selected and if number of defined points is lower than 2 then warning Errc is displayed in measurement mode this option allows user to delete any of the points of the user defined characteristic After selection current number of points of the user defined characteristic is displayed for about approx 1 5 sec After that device waits for selection of point being deleted by V buttons The short pressing of ENTER button causes by switching between X and Y value of the displayed point The long press press and hold at least 2 sec of ENTER button causes by displaying dEL ask If ENTER button is pressed again current point is deleted and new upd
15. 2 a zone A parameter zone B i time b relay state modE in ton 0 toFF 0 C relay state 4 it i bg mode out f E ton 0 toFF 0 relay state 4 Fa pod i i d modE in E NET i ro ton gt 0 a i 1 closed i i I toFF gt 0 AN i i open ies i i T T T p r 3 E vw i vin d time e relay state 4 ton parameter mode out Eg i i ton gt 0 toFF gt 0 i T toFF parameter ton parameter i i closed im i I gt gt i w i i D AE time toFF parameter t on parameter toFF parameter Objasnienie A B C D E points where measured signal exceeds border values expected value allowed deviation Bon Borr Con Corr Eon Eorr relays state changes moments for t on gt 0 toFF gt 0 ta tg tc to te time periods while input signal is in zone A or zone B Figure 6 6 Principle of LED relay output operation for two thresholds mode 19 User manual METER SRP 94 XC Figure 6 6 presents the principle of relay outputs operation for two thresholds mode and an example values of other parameters In this mode parameter SEt2 is accessible in common with SEtP this parameter describes a second threshold of the relay output The parameters HYSt modE ton toFF unit and AL are connected with both SEtP and SEt2 thresholds While the con
16. 20 SECU MON E settee N Louie ines 29 T 3 8 TS MENU aaa dirla 30 7 3 9 Edit parameter aad 7 3 10 dEFS parameter PES T T cz uar E R di 4 MENU STRUCTURE zzz ge e teda ed Ma Eg edd 32 8 THE ALARM LED 34 9 DISPLAYED VALUES CALCULATION 1sscecsessecsessenseeseesseceesssssenseseeseensenseesensees 34 9 1 ADDITIONAL CALCULATIONS USED CONVERSION CHARACTERISTIC 9 1 1 Linear CHALACIONISHC c sicsecsiccvstscensicgeectscgestiteqadsestcasieectssuectutsastapersicaeeeti ayes 9 1 2 Square characteristic 9 1 3 Square root characteristic 9 1 4 User defined characteristic 9 2 EXAMPLES OF CALCULATIONS 10 THE MODBUS PROTOCOL HANDLING T 1051 EIS TOE seg c 40 10 2 TRANSMISSION ERRORS DESCRIPTION nnne trennen nns 44 10 3 EXAMPLES OF QUERY ANSWER FRAMES 44 11 DEFAULT AND USER S SETTINGS LIST 1csccsccssssosssscecseececsersanssncsossaccessecsassssesnenareaceanssssessnanssaceasarees 47 User manual METER SRP 94 XC Explanation of symbols used in the manual This symbol denotes especially important guidelines concerning the installation and operation of the device Not complying with the guidelines denoted by this symbol may cause an accident damage or equipment destruction IF THE DEVICE IS NOT USED ACCORDING TO THE MANUAL THE USER IS RESPONSIBLE FOR POSSIBLE DAMAGES This symbol denotes especially impo
17. ADDR FUNC REG H L DATA H L CRC LH 01 06 00 20 00 02 09 C1 DATA H 0 DATA L new device address 2 The answer the same as the message 45 User manual METER SRP 94 XC ADDR FUNC REGH L DATA H L CRC LH 01 06 00 20 00 02 09 C1 4 Change of baud rate of all devices connected to the net BROADCAST message ADDR FUNC REG H L COUNT H L CRC LH 00 06 00 22 00 04 29 D2 DATA H 0 DATA L 4 new baud rate 19200 baud a Device do not reply to BROADCAST type messages 5 Read of the registers 1 2 and 3 in one message example of reading a number of registries in one frame ADDR FUNC REG H L COUNT H L CRC LH 01 03 00 01 00 03 54 OB COUNTL the count of being read registers max 16 The answer ADDR FUNC BYTE C DATA H1 L1 DATA H2 L2 DATA H3 L3 CRC LH 01 03 06 00 0A 00 00 00 01 78 B4 DATAH1 L1 reg 01h 10 displayed value 1 0 DATAH2 L2 reg 02h 0 no errors DATA H3 L3 reg 03h 1 decimal point position 0 0 a There is no full implementation of the Modbus Protocol in the device The functions presented above are available only 46 User manual METER SRP 94 XC 11 DEFAULT AND USER S SETTINGS LIST Par
18. Assisting the automation rz SIMEX industry since 1986 User manual METER SRP 94 XC Firmware v 5 18 or higher Input type 0 60 75 100 150 mV 4x20 mm display CE Read the user s manual carefully before starting to use the unit or software Producer reserves the right to implement changes without prior notice 2013 05 28 SRP 94 XC INSSXEN v 2 05 001 User manual METER SRP 94 XC CONTENTS 1 BASIC REQUIREMENTS AND USER SAFETN EEN 3 2 GENERAL CHARACTERISTICS E 4 3 TECHNICAL DA PA ada sand a EA wie Por du A a KRA 4 6 6 4 DEVICE INSTALLATION s 4 15UNPACKINGZ a iii ania a le ian lle ri 6 4 2 ASSEMBLY EE 4 3 CONNECTION METHOD egz dz ille alia 8 4 4 MAINTENANCE 5 FRONT PANEL DESCRIPTION i 6 PRINCIPLE OF OPERA TION EDEL EIDE iii 6 1 MEASUREMENT MODBDBE 2 ipie daas Edad nra eg iaia 6 2 DETECTION OF THE PEAK VALUES 6 3 CONTROL OF THE RELAY OUTPUTS 6 3 1 One threshold MOJE ass eterne ka tnb ponit br ee r ai Ree EE 7 DEVICE PROGRAMMING 7 1 PROGRAMMING MENU 7 2 PARAMETERS EDITION 7 2 1 Numeric parameters digit change mode 7 2 2 Numeric parameters slide change mode 7 2 3 Switch parameters LIST type 7 3 MENU DESCRIPTION 7 3 1 rEL1 menu 7 3 2 DEEP menu 3 93 el 7 3 4 e EE 27 7 3 5 bri parameter 7 3 6 HOLd menu 2429 73
19. J GT BIS GE A 17 32 D n c n c GN GND GND GND R1 R2 0 150mV optional optional Figure 4 7 Terminals description relay outputs device with current output A Power 24V 5 10 RS 485 supply poets Imax 100mA GND T depending on version OC pu DATA 4 s e 7 8 9 17 32 OC1 OC2 OC3 GND GND GND optional optional optional GND OC1 OC4 Umax 30V DC 0 150mV Imax 30mA Pmax 100mW Figure 4 8 Terminals description OC type outputs Contacts of relay outputs are not equipped with spark suppressors While use the relay outputs for switching of inductive loads coils contactors power relays electromagnets motors etc it is required to use additional suppression circuit typically capacitor 47nF min 250VAC in series with 100R 5W resistor connected in parallel to relay terminals or better directly on the load In consequence of using the suppression circuit the level of generated electromagnetic disturbances is lower and the life of relay contacts rises 11 User manual METER SRP 94 XC N Figure 4 9 Examples of suppression circuit connection a to relay terminals b to the inductive load Depending on version 85 230 260V AC DC or 19 24 50V DC 16 24 35V AC L N Figure 4 10 Connection of power supply and relays 12 User manual METER SRP 94 XC Logic controller voltage input 24V Figur
20. ameter Description Default value User s value ped Parameters of relay R1 operation rEL1 menu SEtP Relay R1 threshold 20 0 23 SEC Relay R1 second threshold 40 0 23 HYSt Hysteresis of relay R1 0 0 23 modE Operation mode of relay R1 on 23 ton Turn on delay of relay R1 0 0 24 toFF Turn off delay of relay R1 0 0 24 unit Unit of t on toFF parameters of relay R1 SEC 24 AL Reaction for critical situation of relay R1 oFF 24 Parameters of relay R2 operation rEL2 menu SEtP Relay R2 threshold 40 0 23 SEC Relay R2 second threshold 60 0 23 HYSt Hysteresis of relay R2 0 0 23 modE Operation mode of relay R2 on 23 ton Turn on delay of relay R2 0 0 24 toFF Turn off delay of relay R2 0 0 24 unit Unit of t on toFF parameters of relay R2 SEC 24 AL Reaction for critical situation of relay R2 oFF 24 Parameters of relay R3 operation rEL3 menu SEtP Relay R3 threshold 60 0 23 SEt2 Relay R3 second threshold 80 0 23 HYSt Hysteresis of relay R3 0 0 23 modE Operation mode of relay R3 on 23 ton Turn on delay of relay R3 0 0 24 toFF Turn off delay of relay R3 0 0 24 unit Unit of t on toFF parameters of relay R3 SEC 24 AL Reaction for critical situation of relay R3 OFF 24 Parameters of relay R4 operation rEL4 menu SEtP Relay R4 threshold 80 0 23 SEt2 Relay R4 second threshold 100 0 23 HYSt Hysteresis of relay R4 0 0 23 modE Operation mode of relay R4 on 23 47
21. an change the value of particular threshold pressing button ENTER see PARAMETERS EDITION new value is displayed in alternating mode with parameter name by few seconds Confirmed changes may be checked or user can switch viewed parameter pressing or v button o If particular parameter has been changed and confirmed in quick view mode its 7 1 PROGRAMMING MENU To enter main menu being in the measurement mode operator must to press and hold at least 2 sec ESC MENU button If the user password is defined see parameter Scod menu SECU operator have to enter correct one before proceeding to menu options Entering of the passwords is similar to the edition of numeric parameters see PARAMETERS EDITION however presently editing digit is showed only on the display other digits are replaced by sign After entering of last digit of the password first menu position will be displayed if the password is correct or warning Err in other case A Pay attention when device parameters are being changed If it is possible turn off controlled installation machine 20 User manual METER SRP 94 XC Functions of the buttons while sub menu and parameters choice Selection of sub menu or parameter for editing Name of selected item sub menu or parameter is displayed Operation of ENTER button depend on present menu position if the name of some sub menu is displayed enter this sub men
22. aracteristic Let the input mode 0 100 mV and the user selected the 10 segment characteristic To do this it is necessary to enter X and Y coordinates of 11 points see Menu inPt The calculations will be done for three different input voltages from example 2 so in calculations some of the segments will be used only Let the following points will be given X1 00 0 Y1 50 0 X2 10 0 Y2 30 0 X6 30 0 Y6 30 0 X7 40 0 Y7 80 0 X10 90 0 Y10 900 0 X11 100 0 Y11 820 0 Additionally all other points must to be defined and stored in the device memory a Un 237 5 mV and Un 0 375 The segment defined by X6 30 0 and X7 40 0 for this Unwill be selected Accordingly to expressions given for user defined characteristic see page 36 X6 PL 30 Y6 PL 30 X7 PH 40 Y7 PH 80 and U 0 3 the displayed value W I 1 X IPR x PL 1001 Y PL s 80 30 ma 0 375 0 3 X 4030 100 302 67 b Un 9 38 mV and U 0 0938 because of the normalized U value is lower than 0 the segment defined by X1 and X2 will be selected X1 PL 0 Y1 PL 50 X2 PH 10 Y2 PH 30 and U 0 For these values the displayed value W 69 c Um 103 13 mV and Un 1 0313 because of the normalized Un value is higher than 1 the segment defined by X10 and X11 will be selected and X10 PL 90 Y10 PL
23. ated number of points of the user defined characteristic is displayed this option allows user to modify of particular point of the user defined characteristic After selection current number of points of the user defined characteristic is displayed for about approx 1 5 sec After that device waits for selection of point being edited by v buttons The short pressing of ENTER button causes by switching between X and Y value of the displayed point The long press press and hold at least 2 sec of ENTER button causes by entering to edit the selected coordinate of the point Modification of the coordinates is done accordingly to numerical parameters edition AddP dELP and EdtP options are available only if the user defined characteristic is used it means when parameter CHAr USEr User manual METER SRP 94 XC Hi r this parameter define the expansion of nominal range in percent It determine the permissible range of input signal Figure 7 1 The permissible range allow user to exceed the nominal range of input signal If input value is contained in the permissible range a proper result is displayed If input signal exceeds this range defined by Hi r Lo or Hi warning is displayed depend on input signal value Hi r 5 0 3 mV U i nominal measurement range 4 20mA E U x i i i max xi je Ap 7 gt N gt S Ha 0 60 63 66 permissible measurement range i
24. d manufactured in a way assuring a high level of user safety and resistance to interference occurring in a typical industrial environment In order to take full advantage of these characteristics installation of the unit must be conducted correctly and according to the local regulations LN Read the basic safety requirements on page 3 prior to starting the installation Ensure that the power supply network voltage corresponds to the nominal voltage stated on the unit s identification label The load must correspond to the requirements listed in the technical data All installation works must be conducted with a disconnected power supply Protecting the power supply connections against unauthorized persons must be taken into consideration 4 1 UNPACKING After removing the unit from the protective packaging check for transportation damage Any transportation damage must be immediately reported to the carrier Also write down the unit serial number located on the housing and report the damage to the manufacturer Attached with the unit please find user s manual warranty assembly brackets 2 pieces 4 2 ASSEMBLY AY The unit is designed for mounting inside housings control panel switchboard insuring appropriate protection against surges and interference Metal housings must be connected to ground in a way that complies with the governing regulations Disconnect the power supply prior to starting ass
25. e 4 11 Example of OC type outputs connection optional ACTIVE 3 current output Logic controller current input 4 20 MA Figure 4 12 Example of current outputs connection for device with current output only 4 4 MAINTENANCE The unit does not have any internal replaceable or adjustable components available to the user Pay attention to the ambient temperature in the room where the unit is operating Excessively high temperatures cause faster ageing of the internal components and shorten the fault free time of the unit s operation In cases where the unit gets dirty do not clean with solvents For cleaning use warm water with small amount of detergent or in the case of more significant contamination ethyl or isopropyl alcohol AY Using any other agents can cause permanent damage to the housing WP Product marked with this symbol should not be placed in municipal waste Please FS check local regulations for disposal of electronic products v di 13 User manual METER SRP 94 XC 5 FRONT PANEL DESCRIPTION alarm LED indicator AL bu Thresholds exceeding A Rie LED indicators R MENU display AL R1 R2 R3 programming pushbuttons Symbols and functions of push buttons MENU ENTER Symbol used in the manual ESC MENU Functions e Enter to main menu press and hold by at least 2 sec e Exit the current level and Enter to previous menu
26. e i i ot toFF o LT cen Mesi i EMEN 1 i Lou time c relay state 4 i i kd modE oFF BO EE a SE ton 0 ead i II toFF 0 i EEN i gt KA EEE Ea bog su time d relay state 4 EE i Ed E i MEME modE on E LG Zen ees en E ton gt 0 E i i i KZ s toFF gt 0 edili bd E P SEE ime e relay state 4 rot i m lt q ton E toFF d rd modE oFF T Bees parameter parameter poi toFF gt 0 PE EE m i EE es i i time toFF ton Sui parameter parameter Description A B C D points where measured signal exceeds border values expected value allowed deviation Bon Borr Don Dor relays state changes moments for t on gt 0 toFF gt 0 ta ts to to time periods while input signal is in zone A or zone B Figure 6 5 Principle of LED relay output operation for one threshold mode Parameter SEtP sets a threshold of the relay and parameter HYSt sets a hysteresis of the relay Figure 6 5 a The relay can change his state only when input value exceeds over or under border value and ta ts tc to times Figure 6 5 are bigger than the time defined by parameters t on toFF and unit Border values means values equal threshold hysteresis and threshold hysteresis respectively If t on and toFF parameters are set to 0 then the relay state will be changed as soon as input value exceeds any of
27. ehaviour of current output if any critical situation occurs The parameter can be set to one of the values noCH current will not change 522 1 current will be set to 22 1 mA 3 4 current will be set to 3 4 mA 0 0 current will be set to 0 MA When the critical situation goes the current will be set to value calculated due to formulas given above 28 User manual METER SRP 94 XC 7 3 5 bri parameter This parameter allows user to set bright of the LED display bright can be set to conventional values from 1 to 8 7 3 6 HOLd menu This menu contains parameters connected with peak detection function See also full description of the peak detection function in paragraph DETECTION OF THE PEAK VALUES modE the type of detected changes of the input signal can be set to values norm peaks peak and next drop of the input signal of value equal at least PEA inv drops drop and next peak of the input signal of value equal at least PEA PEA minimal detected signal change classified as peak or drop see Figure 6 2 timE maximum time of displaying of the peak drop value can be set from 0 0 to 19 9 sec with 0 1 sec resolution If HdiS HOLD then setting parameter timE 0 0 causes holding peak value until ESC button is pressed If HdiS rEAL then value timE 0 0 means no holding HdiS type of displayed values rEAL current value i
28. ely aD If user defined characteristic is selected and if number of defined points is lower than 2 then warning Errc is displayed in measurement mode The process of displayed result calculation is described in details in DISPLAY VALUES CALCULATION paragraph FiLt this parameter sets filtration rate It can be set to values from 0 no filtration to 5 strongest filtration time window about 2 sec Pnt decimal point position It can be set to one of 0 Di 0 0 k 0 00 0 000 Decimal point position is changed by 4 v buttons 25 User manual METER SRP 94 XC Lo c Hi c AddP dELP EdtP 26 These parameters describe the values displayed for minimum and maximum input current For example if input type is set to 4 20 mA Lo C parameter defines the value displayed when input current is equal 4 mA and Hi C parameter defines the value displayed for 20 mA of input current Available range for these parameters 999 9999 Negative values can be set by entering sign on the first position by use of v buttons If user defined characteristic is selected parameter CHAr USEr the parameters Lo C and Hi C are not available for modification due to their values are calculated from defined characteristic this menu allow user to add single point to the user defined characteristic After selection of this option device
29. embly Check the connections are wired correctly prior to switching the unit on In order to install the unit a 90 5 x 43 mm mounting hole Figure 4 1 4 2 must be AY prepared The thickness of the material of which the panel is made must not exceed 5mm When preparing the mounting hole take the grooves for catches located on both sides of the housing into consideration Figure 4 1 4 2 Place the unit in the mounting hole inserting it from the front side of the panel and then fix it using the brackets Figure 4 3 The minimum distances between the centre points of multiple units due to the thermal and mechanical conditions of operation are 115 mm x 67mm Figure 4 4 User manual METER SRP 94 XC 90 5 mm 43 mm 1 Z 7 77 mm max 5 mm Figure 4 1 Recommended mounting hole dimensions 92 mm Yb 2 A max 5 mm gt lt 43 mm Figure 4 2 Allowable mounting hole dimensions User manual METER SRP 94 XC 92 mm m ges Figure 4 3 Installing of brackets and dimensions of connectors 115 mm m q 67 mm Figure 4 4 Minimum distances when assembly of a number of units 4 3 CONNECTION METHOD Caution AN Installation should be conducted by qualified personnel During installation all available safety requirements should be considered The fitter is resp
30. er than 30m or go outside of the building then additional safety circuits are required n the case of interference from the power supply side the use of appropriate interference filters is recommended Bear in mind that the connection between the filter and the unit should be as short as possible and the metal housing of the filter must be connected to the earth with the largest possible surface The cables connected to the filter output must not be run with cables with interference e g circuits controlling relays or contactors 9 User manual METER SRP 94 XC Connections of power supply voltage and measurement signals are executed using the screw connections on the back of the unit s housing Figure 4 5 Method of cable insulation replacing and cable terminals AY All connections must be made while power supply is disconnected Double numeration means that depending on device version particular terminal can be marked according to the top or bottom number optional Power R4 24V 5 10 RS 485 supply Imax 100mA W DATA depending on version Uo DATA _ 9 4 4 2 ld s el e o L L L R Li R1 R2 R3 0 150mV optional optional optional Figure 4 6 Terminals description relay outputs no current output version 10 User manual METER SRP 94 XC A Power 24V 5 10 RS 485 supply optional ACTIVE Imax 100mA GND DATAS depending on version oo t Uo DATA
31. etermines the input value for which the output current is minimal 0 mA or 4 mA depend of current output mode Omod OUtH this parameter determines the input value for which the output current is equal 20mA The output current value is calculated due to formulas given below W QUIL I X 16mA 4mA t 4 20mA OUtH OUtL 6m n for output range 0m W QUtL Lu TOUT OUL x 20mA for output range 0 20mA where W denotes the displayed value OutL parameter can be greater than OutH In this case the conversion characteristic is reversed it means that if input value raises the output current falls Lo r Hir this parameters define the output current range maximum range 0 to 24 mA If calculated output value lu exceeds defined range then current output generates the current equal to upper or lower border of the defined range The parameters define the percentage extension of nominal current range 4 20 mA with 0 196 resolution Parameter Lo r defines lower border of the range due to formula lin 4 mA 4 mA x Lor This parameter can be set from 0 to 99 9 Parameter Hi r defines lower border of the range due to formula Imax 20 mA 20 mA x Hi r This parameter can be set from 0 to 19 9 In example on page 39 of the DISPLAY VALUES CALCULATION paragraph the procedure of the current outputs determining is presented in details AL this parameter determines the b
32. g of password If entered password is correct then first menu position will be displayed else warning Err and unit returns to measurement mode Due to problem with direct displayina of m and K letters they are exchanged a with special signs m for m and for K respectively However in user manual letters m and K are used to make it more readable example modE tc K 22 User manual METER SRP 94 XC 7 3 1 rEL1 menu This menu allows to configure the operation mode of relays and LEDs marked R e g R1 If there are few relay outputs available then every output has its own configuration menu e g menu rEL2 for relay LED R2 Principle of the relays operation is described in paragraph CONTROL OF THE RELAY OUTPUTS e SEtP SEt2 HYSt d modE 7 The relay outputs and LEDs named R can be controlled depend on both the current value and the peak value when peak detection is active of the input signal f device is not equipped with one or more relay outputs menus refer to this relays are available but apply to LED indicators only In such case LEDs indicates exceeding of particular thresholds first threshold of the relay range 999 9999 Negative values can be input by selecting a sign on first digit to change value use and v buttons Threshold is the medium value of relay hysteresis seco
33. ge 999 9999 the warning Ov is displayed rather than the calculated result In the measurement mode user can check main thresholds values After pressing or v button name of the threshold e g rEL1 and his value will be displayed on the display in alternating mode If or v will be pressed in 5 sec again the next threshold will be displayed else the device comes back to the measurement mode If a free access is enabled see description of SECu menu user can change the value of particular threshold pressing button ENTER see PARAMETERS EDITION Input type range of displaying values characteristic of conversion decimal point position and measure filtering ratio are user configurable parameters All accessible parameters can be changed by entering the menu see DEVICE PROGRAMMING Use the local keyboard or the remote controller to do it Note all parameters can be remote changed via RS 485 interface aD Configuration of the device via menu or RS 485 interface do not stops measures 6 2 DETECTION OF THE PEAK VALUES The SRP 94 XC controller is equipped with peaks detection function It can detect a peaks of the input signal and display their values Presets connected with this function are placed in HOLd menu see description of HOLd menu The detection of the peak can be done if the measured signal raises and drops of value at least equal to parameter PEA Detected peaks are displayed during the t
34. ge to the equipment or electric shock If the unit is equipped with housing covers and sealing to protecting against water intrusion pay special attention to their correct tightening or clamping In the case of any doubt consider using additional preventive measures covers roofing seals etc Carelessly executed assembly can increase the risk of electric shock After the installation is completed do not touch the unit s connections when it is switched on because it carries the risk of electrical shock Due to possible significant interference in industrial installations appropriate measures assuring correct operation of the unit must be applied To avoid the unit of improper indications keep recommendations listed below Avoid running signal cables and transmission cables together with power supply cables and cables controlling inductive loads e g contactors Such cables should cross at a right angle Contactor coils and inductive loads should be equipped with interference protection systems e g RC type Use of screened signal cables is recommended Signal cable screens should be connected to the earthing only at one of the ends of the screened cable In the case of magnetically induced interference the use of twisted pair of signal cables is recommended Twisted pair best if shielded must be used with RS 485 serial transmission connections n the case of measurement or control signals are long
35. hole Assembly depth Panel thickness Operating temperature Storage temperature Humidity Altitude Screws tightening max torque Max connection leads diameter Safety requirements EMC 0 2 or 4 NO 1A 250V AC cos o 1 0 2 or 4 0mA 30VDC 100mW 24V 5 10 max 100 mA stabilized range max 0 24 mA load resistance max 700 Q current output is optional for two relays version only RS 485 8N1 and 8N2 Modbus RTU not separated 1200 bit s 115200 bit s LED 4 digit 20mm height red or LED 4 digit 20mm height green non volatile memory EEPROM type IP 65 optional version with panel cut out sealing available IP 20 panel NORYL GFN2S E1 96 x 48 x 100 mm 90 5 x 43 mm 102 mm max 5 mm 0 C to 50 C 10 C to 70 C 5 to 90 no condensation up to 2000 meters above sea level 0 5 Nm 2 5 mm according to PN EN 61010 1 installation category II pollution degree 2 voltage in relation to ground 300V AC insulation resistance gt 20MQ insulation strength between power supply and input output terminal 1min 2300V insulation strength between relays terminal 1min Q 1350V according to PN EN 61326 1 This is a class A unit In a residential or a similar area it can cause radio frequency interference In such cases the user can be requested to use appropriate preventive measures User manual METER SRP 94 XC 4 DEVICE INSTALLATION The unit has been designed an
36. ic expressed in 0 196 71h Yes 999 9999 The value of Y coordinate of point no 1 of the user defined characteristic no decimal point included 54 5 Further pairs of X Y coordinates of points no 2 19 of the 72h 95h M user defined characteristic 96h Yes 999 1999 The value of C coordinate of point no 20 of the user defined characteristic expressed in 0 196 97h5 Yes 999 9999 The value of M ip coordinate of point no 20 of the user defined characteristic no decimal point included 43 User manual METER SRP 94 XC Register Write Range Register description Omod parameter in OUtP menu current output mode 0 current output disabled 1 current output enabled with 4 20mA mode 2 current output enabled with 0 20mA mode 3 current output controlled via RS 485 interface A1h Yes 999 9999 OUtL parameter in OUtP menu no decimal point included A2h Yes 999 9999 OUtH parameter in OUtP menu no decimal point included AON Yes 0 2 A3h Yes 0 999 Lo r parameter in OUtP menu expressed in 0 1 A4h Yes 0 199 Hi r parameter in OUtP menu expressed in 0 1 AL parameter in OUtP menu current output value on critical 1 ASh Yes exception 0 no change 1 22 1 mA 2 3 4 mA 3 0 mA these registers are active only if device is equipped with active current ou
37. ide change mode Edit Slid buttons and v has different functions To increase edited value press or press and hold button only the increasing became quickest as long as button is pressed To slow down the increasing button v can be used If v is pressed shortly and button is still pressed increasing slow down for a moment only if v is pressed and held while button is still pressed the increasing slow down and will be kept on lower speed To decrease edited value press or press and hold v button only The decreasing became quickest as long as button v is pressed To slow down the decreasing button can be used If is pressed shortly and button v is still pressed decreasing slow down for a moment only if is pressed and held while button v is still pressed the decreasing slow down and will be kept on lower speed 21 User manual METER SRP 94 XC Press ENTER at least 2 seconds to accept the changes after that question Set is displayed and user must to confirm or cancel the changes To conform changes and story it in EEPROM press ENTER button shortly after SEt is displayed To cancel the changes press ESC button shortly after SEt is displayed After that device returns to the menu 7 2 3 Switch parameters LIST type Switch parameters can be described as a sets of values a lists out of which only one of the options available on the list can be selec
38. ime defined by parameter timE If a new peak will be detected while one is displayed this new peak will be displayed and display time counter will be cleared Figure 6 2 If no peaks are detected while time timE elapses device starts to show the current value of input signal again If HdiS HOLD then setting parameter timE 0 0 causes holding peak value until ESC button is pressed If HdiS rEAL then value timE 0 0 means no holding Displaying peak value is signalized by flashing most right decimal point The relays LEDs and the current output can be controlled depend on the current value of input signal or the peak value see HOLd menu 15 User manual METER SRP 94 XC a measure timE timE real measurement result time display value Figure 6 2 Process of peaks detection 6 3 CONTROL OF THE RELAY OUTPUTS The control of the object measured signal is realized via relay outputs Front panel LEDs named R indicates the state of particular relay output If device is not equipped with one or more relay outputs menus refer to this relays GD are available but apply to LED indicators only In such case LEDs indicates exceeding of particular thresholds Modes of the control can be changed depend on the values of parameters SEtP SEt2 HYSt modE ton toFF unit and AL Depend on modE parameter relays can be not used or controlled
39. nd display value are available via RS 485 interface as HOLDING type registers numeric values are given in U2 code of Modbus RTU protocol The registers or groups of the registers can be read by 03h function and wrote by 06h single registers or 10h group of the registers accordingly to Modbus RTU specification Maximum group size for 03h and 10h functions can not exceeds 16 registers for single frame a The device interprets the broadcast messages but then do not sends the answers 10 1 LIST OF REGISTERS Register Write Range Register description 01h No 999 9999 Measurement value no decimal point The status of the current measurement Oh data valid AOh top 02h No Oh AOh 60h border of the measurement range is exceeded 60h bottom border of the measurement range is exceeded Pnt parameter in InPt menu decimal point position 0 0 1 0 0 2 0 00 3 0 000 State of the relays and alarm LED binary format 1 on 0 off 00000000 000edcba 04h Yes see descr a relay R1 b relay R2 c relay R3 d relay R2 e alarm LED If written only a b c d bits are important others are ignored these bits allows user to control the relays via RS 485 interface 03h Yes 0 3 State of current output expressed in 1 256 mA units it means that 05h Yes Oh 1800h high byte express integer part and low byte fractional part of desired o
40. nd threshold of the relay range 999 9999 Negative values can be input by selecting a sign on first digit to change value use and v buttons This threshold is accessible when modE parameter is set to in or out value Threshold is the medium value of relay hysteresis hysteresis of relay range 0 999 Full hysteresis of the relay is equal to 2x HYSt parameter The relay state can change when an input signal is out of threshold hysteresis to threshold hysteresis zone Presented parameters should be set to ensure that SEtP HYSt SEt2 HYSt SEtP HYSt or SEt2 HYSt do not exceeds the measure range Additionally in two threshold mode modE in or out the hysteresis for both thresholds must not cover each other in other case relay can t change his state relay operation mode noAC the relay is not active permanent turned off on one threshold mode the relay is turned ON when input signal exceeds SEtP HYSt value and is turned off back when the input signal became lower than SEtP HYSt oFF one threshold mode the relay is turned OFF when input signal exceeds SEtP HYSt value and is turned on back when the input signal became lower than SEtP HYSt in two threshold mode the relay is turned ON when the input signal is bigger than lower threshold HYSt and lower than bigger threshold HYSt and turned off when the inpu
41. nge 0 99 9 defined with 0 1 sec resolution Unit of this parameter is set by unit parameter If time when the input signal exceeds some border value is shorter than t on or toFF time the relay do not change his state see paragraph CONTROL OF THE RELAY OUTPUTS unit of time for t on i toFF parameters Can be set on one of two values min minutes SEC seconds this parameter defines the relay reaction when some critical situations occurs noCH relay do not change his state on relay will be turned on oFF relay will be turned off If parameter modE is set to on oFF in or Out the critical situation means that allowable measurement range is exceeded If parameter modE is set to modb the critical situation means communication delay when no data is received longer than mbtO parameter see description rS menu If option noCH is selected for AL parameter behaviour of the relay may depend on FiLt parameter in some cases If FiLt is set to big value and the input signal drops result value of the measure will change slow causes of turning on or off relay due to thresholds values The critical situation is slowly detected so it is impossible to predict the relay state in that situations User manual METER SRP 94 XC f parameter AL on the relay will be turned on in the critical sit
42. o decimal point included 40h Yes 999 9999 SEtP parameter in rEL3 menu no decimal point included 4th Yes 999 999 HySt parameter in rEL3 menu no decimal point included modE parameter in rEL3 menu 42h Yes 0 5 0 noAC mode 1 on mode 2 oFF mode 3 in mode 4 out mode 5 modb mode R t on parameter in rEL3 menu expressed in tenth of seconds or en ves 099 tenth of minutes depend on unit parameter register no 45h A toFF parameter in rEL3 menu expressed in tenth of seconds T ZER Dres or tenth of minutes depend on unit parameter register no 45h 45h Yes 021 unit parameter in rEL3 menu 0 seconds 1 minutes 46h Yes 0 2 AL parameter in rEL3 menu 0 no changes 1 on 2 off 47h Yes 999 9999 SEt2 parameter in rEL3 menu no decimal point included 48h Yes 999 9999 SEtP parameter in rEL4 menu no decimal point included 49h Yes 999 999 HySt parameter in rEL4 menu no decimal point included 42 User manual METER SRP 94 XC Register Write Range Register description modE parameter in rEL4 menu 4Ah Yes 0 5 0 noAC mode 1 on mode 2 oFF mode 3 in mode 4 out mode 5 modb mode t on parameter in rEL4 men
43. on of peaks detection function HOLd menu mode Kind of detected changes norm 29 PEA Minimum detected change 0 0 29 timE Maximum time of peak displaying 0 0 29 HdiS The type of displayed value HOLd 29 Hr Source of relay R1 and LED R1 control rEAL 29 48 User manual METER SRP 94 XC Parameter Description Default value User s value pian Hr2 Source of relay R2 and LED R2 control rEAL 29 H r3 Source of relay R3 and LED R3 control rEAL 29 H r4 Source of relay R4 and LED R4 control rEAL 29 HOUt Source of current output control rEAL 29 Settings of access to the configuration parameters SECu menu Art Permission to changes of relay R1 threshold an 30 without of the user password knowledge A r2 Permission to changes of relay R2 threshold h 30 without of the user password knowledge Ar Permission to changes of relay R3 threshold on 30 without of the user password knowledge An Permission to changes of relay R4 threshold W 30 without of the user password knowledge RS 485 interface configuration menu rS Addr Device address 0 30 bAud Baud rate 9 6 30 mbAc Permission to changes of configuration registers on 30 mbtO Maximum delay between received messages 0 30 rESP Additional delay of answer transmission Std 30 Configuration of numerical parameters edition Edit Numerical parameters edit mode dig 31 49 User manual METER SRP 94 XC 50
44. onsible for executing the installation according to this manual local safety and EMC regulations The unit is not equipped with an internal fuse or power supply circuit breaker Because of this an external time delay cut out fuse with a small nominal current value must be used recommended bipolar max 2A and a power supply circuit breaker located near the unit In the case of using a monopolar fuse it must be mounted on the phase cable L User manual METER SRP 94 XC AY The power supply network cable diameter must be selected in such a way that in the case of a short circuit of the cable from the side of the unit the cable shall be protected against destruction with an electrical installation fuse Wiring must meet appropriate standards and local regulations and laws In order to secure against accidental short circuit the connection cables must be terminated with appropriate insulated cable tips Tighten the clamping screws The recommended tightening torque is 0 5 Nm Loose screws can cause fire or defective operation Over tightening can lead to damaging the connections inside the units and breaking the thread In the case of the unit being fitted with separable clamps they should be inserted into appropriate connectors in the unit even if they are not used for any connections Unused terminals marked as n c must not be used for connecting any connecting cables e g as bridges because this can cause dama
45. orks properly on baud rates higher than 19200 This parameter can be set to one of values Std answer as quick as possible no additional delay 5 10c 5 20c 5 50c 100c 7200c answer delayed of 10 20 50 100 of 200 chars respectively where one character time depends on selected baud rate 30 User manual METER SRP 94 XC In the most cases parameter rESP should be set to Std no additional delay aD Unfortunately for some third party RS converters rESP should be adjusted experimentally Table 7 1 contains most frequently used values bAud parameter 38 4 57 6 115 2 rESP parameter 10c 200 500 Tab 7 1 Settings of rESP parameter 7 3 9 Edit parameter This parameter allows to change the edition mode of numerical parameters dig the change to by digit mode Slid slide change mode 7 3 10 dEFS parameter This setting allows to restore the factory settings of the device To get the access to this option special password is required 5465 next the device displays acknowledge question SEt Press ENTER to acknowledge the restoring of factory settings or ESC to cancel 7 3 11 SErv menu This menu contains the parameters for authorized service only To enter this menu proper service password must be entered Improper settings can causes of damage of the device 3l User manual METER
46. over one or two thresholds values If one threshold is used Figure 6 3 the relay can be turned on modE on or off modE oFF when the input signal value is contained in zone A If two thresholds are used Figure 6 4 the relay will be turned on when value of input signal is contained in zone A modE in or zone B modE out and turned off if the signal is contained in the second one 16 User manual METER SRP 94 XC e state of relay LED SEtP parameter measure Uer parameter Figure 6 3 One threshold control of the relay LED outputs state of relay LED SEtP or SEt2 parameter n al S lt measure HYSt parameter Figure 6 4 Two threshold control of the relay LED outputs The relay outputs and LEDs named R can be controlled depend on both the current value and the peak value when peak detection is active of the input signal 17 User manual METER SRP 94 XC 6 3 1 One threshold mode Figure 6 5 presents the principle of relay outputs operation for one threshold mode and an example values of other parameters measured displayed value A EK t t signal t SEtP parameter LU i i gt expected signal value a zone A i I za RAN Lt HYSt parameter zone B I i i i allowed signal WERE a DA deviation b relay state A e i EM di RE Ke modE on Si EIN ton 0 i closed SI
47. represent hexadecimal Field description ADDR Device address on modbus network FUNC Function code REG H L Starting address address of first register to read write Hi and Lo byte COUNT H L No of registers to read write Hi and Lo byte BYTE C Data byte count in answer frame DATA H L Data byte Hi and Lo byte CRC LH CRC error check Hi and Lo byte 44 User manual METER SRP 94 XC 1 Read of the displayed value measurement SRP 94 XC device address 01h ADDR FUNC REG HL COUNT HL CRC LH 01 03 00 01 00 01 D5 CA a The answer we assume that the measure result is not out of range ADDR FUNC BYTE C DATA H L CRC LH 01 03 02 00 FF F8 04 DATA H L displayed value 255 no decimal point Decimal point position can be read from reg 03h b The answer if an error occur ADDR FUNC ERROR CRC LH 01 83 60 41 18 ERROR error code 60h bottom border of the measurement range is exceeded 2 Readof device ID code ADDR FUNC REG H L COUNT H L CRC L H 01 03 00 21 00 01 D4 00 The answer ADDR FUNC BYTEC DATA H L CRC L H 01 03 02 20 F8 AO 06 DATA identification code 20F8h 3 Change of the device address from 1 to 2 write to reg 20h
48. rtant characteristics of the unit Read any information regarding this symbol carefully 1 BASIC REQUIREMENTS AND USER SAFETY AY The manufacturer is not responsible for any damages caused by inappropriate installation not maintaining the proper environmental conditions and using the unit contrary to its assignment Installation should be conducted by qualified personnel During installation all available safety requirements should be considered The fitter is responsible for executing the installation according to this manual local safety and EMC regulations GND input of device should be connected to PE wire The unit must be properly set up according to the application Incorrect configuration can cause defective operation which can lead to unit damage or an accident If in the case of a unit malfunction there is a risk of a serious threat to the safety of people or property additional independent systems and solutions to prevent such a threat must be used The unit uses dangerous voltage that can cause a lethal accident The unit must be switched off and disconnected from the power supply prior to starting installation of troubleshooting in the case of malfunction Neighbouring and connected equipment must meet the appropriate standards and regulations concerning safety and be equipped with adequate overvoltage and interference filters Do not attempt to disassemble repair or modify the unit yourself The
49. s displayed HOLd peak drop value is displayed H r1 H r4 relay LED outputs R1 R4 operation mode rEAL relay LED operates depend on the current value HOLd relay LED operates depend on the peak drop value HOUt current output operation mode rEAL current output operates depend on the current value HOLd current output operates depend on the peak drop value 7 3 7 SECu menu This menu contains presets connected with availability of other parameters Scod user password 4 digits number If this parameter is set at value 0000 user password is turned off If the user do not remember his password the access to the menu is possible by the one use password To get this password please contact with Marketing Division Single use password can be used only one time after that it is destroyed Entering this password causes in clearing of user password it means sets the user password to 0000 29 User manual METER SRP 94 XC The one use password can be used ONE TIME ONLY it is impossible to use it again The one use password can be restored by Service Division only A r1 A r4 this option permits user on or prohibits oFF to modify the thresholds of the relays LEDs R1 R4 without knowledge about user password 7 3 8 rS menu This menu is connected with RS 485 interface and sets his properties Addr this parame
50. scr bit 0 A r1 parameter bit 1 A r2 parameter bit 2 A r3 parameter bit 3 A r4 parameter rESP parameter in rS menu additional response delay 25h Yes 0 5 0 no additional delay 1 10c option 2 20c option 3 50c option 4 100c option 5 200c option mbtO parameter in rS menu maximum delay between 27h Yes 0 99 received frames 0 no delay checking 1 99 maximum delay expressed in seconds 28h Yes 0 1 AL parameter in DEEP menu 0 off 1 on 29h Yes 0 1 R1 parameter in bEEP menu 0 off 1 on 2Ah Yes 0 41 R2 parameter in bEEP menu 0 off 1 on 2Bh Yes 0 1 R3 parameter in bEEP menu 0 off 1 on 2Ch Yes 0 1 R4 parameter in DEEP menu 0 off 1 on bri parameter display brightness Sch WE FR 1 the lowest brightness 8 the highest brightness Edit parameter numerical parameters edit mode PEN 1 HAS 0 1 Io dig mode 1 SLid mode 30h Yes 999 9999 SEtP parameter in rEL1 menu no decimal point included 31h Yes 999 999 HySt parameter in rEL1 menu no decimal point included 41 User manual METER SRP 94 XC Register Write Range Register description modE parameter in rEL1 menu 32h Yes 0 5 0 noAC mode 1 on mode 2 oFF mode 3 in mode 4 out
51. ser from 999 to 9999 plus decimal point The device can be equipped with two or four relay or OC type outputs Optionally SRP 94 XC with two relays outputs can be equipped with active current output Device SRP 94 XC is equipped with RS 485 Modbus RTU communication interface and sensor supply output The meter can be ordered in two power supply versions SRP 94 XC can be used for controlling and regulation of processes need proportional and threshold control like temperature processes heating or cooling valves controlling or other 3 TECHNICAL DATA Power supply voltage 85 230 260V AC DC 50 60 Hz separated depending on version or 19 24 50V DC and 16 24 35V AC separated External fuse required T type max 2 A Power consumption max 4 5 VA 85 260V AC DC max 4 5 VA 16V 35V AC max 4 5 W 19V 50V DC Voltage input 0460 mV 0 75 mV 04100 mV 0 150 mV Voltage measurement accuracy 0 1 25 C one digit for 0 150 mV range Voltage input resistance gt 100 kQ Temperature stability 50 ppm C Display range 999 9999 plus decimal point 4 User manual METER SRP 94 XC Accepted prolonged input overload 20 Outputs relay or OC type sensor power supply active current Communication interface Baud rate Display depending on version Data memory Front panel protection Terminals protection Housing type Housing material Housing dimensions Mounting
52. sult can be expressed by expression U inp U 190 for 0 100mV range where Uw Means input voltage in mV and Un normalized result If measured value exceeds the nominal input range 60mV 75mV 100mV or 150mV and do not exceed the permissible input range then received normalized U result will exceed 0 1 range e g input range 0 100 mV input voltage 1 mV the normalized result is equal 0 01 and for input voltage 110 mV the normalized result is equal 1 1 In such cases presented expressions are still correct 9 1 ADDITIONAL CALCULATIONS USED CONVERSION CHARACTERISTIC The manner of the additional computation of the displayed result depends on selected conversion characteristic All presented charts are connected with the input range 0 100 mV 34 User manual METER SRP 94 XC 9 1 1 Linear characteristic The normalized result is converted by fixed coefficients determined by Lo C and Hi C parameters when the normalized results is equal 0 then value Lo C is displayed and when the normalized results is equal 1 then value Hi C is displayed Expression presented below shows the manner of result calculation W U x Hi C Lo C Lo C where W means the displayed value d The value of the Lo C parameter can be higher than the value of Hi C parameter In such a case for an increasing value of input voltage the displayed value decreases
53. t signal is contained in the second zone The bigger threshold means bigger one of SEtP and SEt2 thresholds the lower threshold means lower one of SEtP and SEt2 thresholds 23 User manual METER SRP 94 XC t on toFF unit AL 24 out two threshold mode relay is turned ON when the input value is bigger than bigger threshold HYSt and lower than lower threshold HYSt and turned on when the input signal is contained in the second zone The bigger threshold means bigger one of SEtP and SEt2 thresholds the ower threshold means lower one of SEtP and SEt2 thresholds modb the relay is controlled via RS 485 interface independently on the input signal LEDs light when relays are closed independently of relays mode When power supply fail unit do not store relays state selected by RS 485 interface turn on delay time the relay is turned on with delay equal t on if the input value exceeds appropriate border value defined with threshold and hysteresis at least t on time t on range 0 99 9 defined with 0 1 sec resolution Unit of this parameter is set by unit parameter turn off delay time the relay is turned off with delay equal toFF if the input value exceeds appropriate border value defined with threshold and hysteresis at least toFF time toFF ra
54. ted for the given parameter Options of switching parameter are selected using v keys Short pressing of ENTER causes in displaying of the acknowledge question SEt If key ENTER is pressed again the changes are accepted stored in EEPROM end the edition process finished Pressing the key ESC after SEt causes in cancelling of made changes and returning to menu Functions of buttons when editing numeric and switching parameters While editing numeric parameter change of current flashing digit e Slide change of value acceleration deceleration direction change While editing switch parameter selection of switch parameter If numerical parameter is being edited a short press of ENTER button change edited position A long press of ENTER button at lest 2 sec causes of display a SEt ask which allow user to make sure if change of the parameter value is correct If switch parameter is being edited a short press of ENTER button causes of display a SEt ask When ENTER button is pressed again while SEt is displayed the new value of the parameter is stored in EEPROM memory ENTER Pressing this button operator can cancel the changes done up to now if they MENU were not approved by ENTER button after the SEt ask and come back to menu 7 3 MENU DESCRIPTION e password checking If some password different from 0000 is set then every enter to main menu follows the enterin
55. ter defines the address of the device accordingly to Modbus protocol It can be set in range from 0 to 199 If the value 0 is set then device responds to frames with address 255 FFh bAud this parameter determines RS 485 interface baud rate It can be set to one of 8 possible values 1 2 2 4 4 8 9 6 19 2 38 4 57 6 115 2 which respond to the baud rates of 1200 2400 4800 9600 19200 38400 57600 and 115200 bit s respectively mbAc this parameter sets the access to the configuration registers of the device Possible values on configuration registers can be set via RS 485 interface oFF configuration registers can not be set via RS 485 interface The access to registers no 04h i 05h cant be denied by mbAc parameter see aD LIST OF REGISTERS mbtO this parameter defines maximal time sec between following frames received by the device If the delay will be greater than the value of mbtO parameter the relays and the current output which are controlled via RS 485 interface will set to alert state see OUtP menu rEL1 menu description Parameter mbtO can be set to values from 0 to 99 seconds The value 0 means that the time will be not controlled rESP this parameter defines minimal additional delay between the Modbus message and the answer of the device received and sent via RS 485 interface This additional delay allows the device to work with poor RS converters which do not w
56. tput after writing to register no 20h the device responds with an old address in the message after writing to register no 22h the device responds with the new baud rate the value of the mbAc parameter is also connected to write to this register so it is possible to block a writes but impossible to unblock writes via RS 485 interface The unblocking of the writes is possible from menu level only 5 the pairs of X Y coordinates may be defined for any free point The pair is free it means that particular point is not defined if X coordinate of this point is equal 8000h After writing both X and Y coordinate the point is defined and used in calculation of result The coordinates of any point can be changed at any time BROWN 10 2 TRANSMISSION ERRORS DESCRIPTION If an error occurs while write or read of single register then the device sends an error code according to Modbus RTU specifications example message no 1 Error codes 01h illegal function only functions 03h 06h and 10h are available 02h illegal register address 03h illegal data value 08h no write permission see mbAc parameter A0h exceed of upper border of input range 60h exceed of lower border of input range AOh and 60h codes can appear only during reg 01h is reading by 03h function read of a single register 10 3 EXAMPLES OF QUERY ANSWER FRAMES Examples apply for device with address 1 All values are
57. trolling process the relay output changes his state depends of both SEtP and SEt2 thresholds in similar way as it was described in one threshold mode If two threshold mode is used modE parameter defines state of the relay output when the input value occurs in a particular zone defined by border values of both thresholds The relay can be turned on if the input value is contained in zone A modE in or zone B modE out and turned off if it is contained in the second one Figure 6 6 The sequence of thresholds SEtP and SEt2 can be set in any order due to the control of relay outputs is done depend on difference between thresholds values zone A and outside of threshold values zone B 7 DEVICE PROGRAMMING The device menu allow user to set all parameters connected to operation of measurement input control modes critical situations behaviour communication via RS 485 and access settings The meaning of the particular parameters is described in paragraph MENU DESCRIPTION Some of the parameters can be accessed without menu entering quick view mode After pressing or v button name of the threshold e g rEL1 and his value will be displayed on the display in alternating mode If or v will be pressed in 5 sec again the next threshold will be displayed else the device comes back to the measurement mode If a free access is enabled see description of SECu menu user c
58. u expressed in tenth of seconds or SEN Yes SA tenth of minutes depend on unit parameter register no 4Dh n toFF parameter in rEL4 menu expressed in tenth of seconds 80 Yes Was or tenth of minutes depend on unit parameter register no 4Dh 4Dh Yes 021 unit parameter in rEL4 menu 0 seconds 1 minutes 4Eh Yes 0 2 AL parameter in rEL4 menu 0 no changes 1 on 2 off 4Fh Yes 999 9999 SEt2 parameter in rEL4 menu no decimal point included 50h Ves 0 1 modE parameter in HOLd menu type of detected changes 0 peaks 1 drops 51h Yes 0 9999 PEA parameter in HOLd menu minimum detectable change no decimal point included 52h Yes 0 199 timE parameter in HOLd menu maximum peaks or drops display time expressed in seconds x HdiS parameter in HOLd menu BB Yes p 0 rEAL mode 1 HOLd mode S H r1 parameter in HOLd menu SH Yes 0 1 lo rEAL mode 1 HOLd mode H r2 parameter in HOLd menu S n Yes SC 0 rEAL mode 1 HOLd mode S H r3 parameter in HOLd menu i PES 0 1 0 rEAL mode 1 HOLd mode H r4 parameter in HOLd menu ZE pres bi 0 rEAL mode 1 HOLd mode HOUt parameter in HOLd menu SENS PR G 0 rEAL mode 1 HOLd mode 70h5 Yes 999 1999 The value of C coordinate of point no 1 of the user defined characterist
59. u name of the first parameter or next level sub menu is displayed if the name of some parameter is displayed enter the edition of this parameter present value of the parameter is displayed ENTER ESC MENU button allow user to exit present menu level and goes to upper MENU level menu or measurement mode a After about 1 min since last use of the buttons device exits the menu mode and returns to the measurement mode only if no parameters are in editing mode 7 2 PARAMETERS EDITION To start edition of any parameter user should select name of desired one using v buttons and then press ENTER 7 2 1 Numeric parameters digit change mode Numerical parameters are displayed as decimal numbers The mode of its new value entering depends on chosen edit method see parameter Edit In mode by digit Edit dig pressing one of the keys or v causes change of current position flashing digit or the sign Short pressing of the ENTER button causes change of the position digit Press ENTER at least 2 seconds to accept the changes after that question SEt is displayed and user must to confirm or cancel the changes To conform changes and story it in EEPROM press ENTER button shortly after SEt is displayed To cancel the changes press ESC button shortly after SEt is displayed After that device returns to the menu 7 2 2 Numeric parameters slide change mode In sl
60. uations even if his parameter modE noAC 7 3 2 bEEP menu This menu contains options connected with acoustic signal AL if this parameter is set to on any critical situation causes by acoustic signal r1 if this parameter is set to on activation of relay R1 causes by acoustic signal r2 if this parameter is set to on activation of relay R2 causes by acoustic signal r3 if this parameter is set to on activation of relay R3 causes by acoustic signal r4 if this parameter is set to on activation of relay R4 causes by acoustic signal Acoustic signal turned on by e g relay can be turned off by pressing of any button 7 3 3 inPt menu This menu presets the measurement input tYPE type of the input sensor This parameter can be set to values 60 75 100 150 voltage inputs expressed in mV Displayed values are defined by parameters Lo C Hi C or by user defined characteristic points and parameter Pnt CHAr this option presets type of the conversion characteristic and can be set to Lin a li Sqr Se When one of those characteristics is chosen display Sqrt square root range is defined by Lo C and Hi C USEr user defined characteristic Maximal length 20 points Every point is defined by user Adding Editing and Deleting of points is done by options AddP EdtP dELP InPt menu respectiv
61. utput current 06h No 999 9999 Peak drop value no decimal point 40 User manual METER SRP 94 XC Register Write Range Register description tyPE parameter in InPt menu nominal input range 10h Yes 0 3 0 0 60 mV range 1 0 75 mV range 2 0 100 mV range 3 0 150 mV range CHAr parameter in InPt menu characteristic type 11h Yes 0 3 R i 4 0 linear 1 square 2 square root 3 user defined 12h Yes 0 5 FiLt parameter in InPt menu measurement filtering rate 13h Yes 023 Pnt parameter in InPt menu the copy of 03h register decimal point position 0 0 1 0 0 2 0 00 3 0 000 14h Yes 999 9999 Lo C parameter in InPt menu no decimal point included 15h Yes 999 9999 Hi C parameter in InPt menu no decimal point included 17h Yes 0 99 Hi r parameter in InPt menu in 0 1 20h Yes 0 199 Device address 21h No 20F8h Device identification code ID bAud parameter in rS menu baud rate 22h Yes 0 7 0 1200 baud 1 2400 baud 2 4800 baud 3 9600 baud 4 19200 baud 5 38400 baud 6 57600 baud 7 115200 baud 23h4 Yes 021 mbAc parameter in rS menu permission to write registers via RS 485 interface 0 write denied 1 write allowed Parameters of SECU menu binary format 0 oFF 1 on 24h Yes see de
62. value is added to the result so the displayed value W 562 300 262 b Un 9 38 mV and U 0 0938 W 441 C Un 103 13 mV and Un 1 0313 W 1247 Example 4 The square characteristic Let the input mode 0 100 mV and parameters Lo C and Hi C equal to 300 and 1200 respectively The calculations will be done for there different input voltages from example 2 a Un 37 5 mV and Un 0 375 Accordingly to expression on page 35 for square characteristic 0 375 x 1200 300 211 and next the Lo C value is added to the result so the displayed value W zx 211 300 89 b Ui 9 38 mV and U 0 0938 W 287 C Un 103 13 mV and Un 1 0313 W 1295 Example 5 The square root characteristic Let the input mode 0 100 mV and parameters Lo C and Hi C equal to 300 and 1200 respectively The calculations will be done for there different input voltages from example 2 a Un 237 5 mV and Un 0 375 Accordingly to expression on page 36 for square root characteristic 0 375 x 1200 300 919 and next the Lo C value is added to the result so the displayed value W 919 300 619 b Un 9 38 mV and U 0 0938 normalized result is negative so the displayed value is equal to Lo C parameter W Lo C 300 C Un 103 13 mV and Un 1 0313 W 1223 38 User manual METER SRP 94 XC Example 6 The user defined ch
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SRP 94 XC